Boyfriends and Girlfriends (movie, 1987)

Middle-class Parisian suburbs: Blanche and Lea, office worker and student, meet and become friends. Lea is going out with Fabien, but is thinking of leaving him. Blanche falls for Lea's handsome and witty friend Alexandre, but is tongue-tied whenever she meets him. Lea goes on holiday and Blanche, still smitten with the dashing Alexandre, begins to get to get know Fabien. A classic Rohmer moral tale.